3.4 A 40/50/100Gb/s PAM-4 Ethernet transceiver in 28nm CMOS. - Karthik Gopalakrishnan; Alan Ren; Amber Tan; Arash Farhood; Arun Tiruvur; Belal Helal; Chang-Feng Loi; Chris Jiang; Halil Cirit; Irene Quek; Jamal Riani; James Gorecki; et al. (ISSCC, 2016)

Link performance investigation of industry first 100G PAM4 IC chipset with real-time DSP for data center connectivity. - Frank Y. Chang; Sudeep Bhoja; Jamal Riani; Ishwar Hosagrahar; Jennifer Wu; Sameer Herlekar; Arun Tiruvur; Pulkit Khandelwal; Karthik Gopalakrishnan (OFC, 2016)

A 400Gb/s Transceiver for PAM-4 Optical Direct-Detect Application in 16nm FinFET. - Chang-Feng Loi; A. Mellati; Amber Tan; A. Farhoodfar; Arun Tiruvur; Belal Helal; Bob Killips; Farshid Rafiee Rad; Jamal Riani; Jorge Pernillo; J. Sun; J. Wong; et al. (ISSCC, 2019)